Suction bulb for a baster



FIG. 1 is a side elevation view of a suction bulb incorporating our new design, with the phantom lines illustrating environment and forming no part of the claimed design;

FIG. 2 is a top plan view thereof; and,

FIG. 3 is a bottom plan view thereof. 

The ornamental design for a suction bulb for a baster, as shown and described. 